<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <button id="btn">按钮</button>

    <script>
        var controller = new AbortController();
        var signal = controller.signal;

        btn.addEventListener("click", ev => {
            console.log("按钮被点击了");
            controller.abort();
        }, {
            signal
        });
    </script>
</body>

</html>